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Citation: Yang Peng-Cheng, Cai Xiao-Hai, Xie You-Chang. Studies on the Dispersion Structure of Co-precipitated CuO-ZrO2 Mixed Oxides[J]. Acta Physico-Chimica Sinica, ;2003, 19(08): 714-717. doi: 10.3866/PKU.WHXB20030808 shu

Studies on the Dispersion Structure of Co-precipitated CuO-ZrO2 Mixed Oxides

1.
College of Chemistry and Molecular Engineering, Peking University, Beijing　100871

Received Date: 20 January 2003
Available Online: 15 August 2003

Co-precipitated CuO-ZrO2 mixed oxides were characterized by XRD,EXAFS, XPS methods. For the samples calcined at 500 ℃, amorphous solid solution forms between CuO and ZrO2 in the co-precipitated samples. The extra CuO crystal exists if CuO is more than its solubility in ZrO2, and extra tetra nal ZrO2 crystal exists if ZrO2 content is more than its solubility in CuO. After calcined at 800 ℃, the samples compose of monoclinic ZrO2 and CuO crystals.
- CuO;ZrO₂;XRD;EXAFS;Solid solution
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